import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getHuocmsToken } from '@/utils/auth'

// 创建axios实例
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request拦截器
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // 让每一个请求携带token--['X-Token']为自定义key，请根据实际情况自行修改
      config.headers['X-Token'] = getHuocmsToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response 拦截器
service.interceptors.response.use(
  /**
   *通过response自定义code来标示请求状态，当code返回如下情况为权限有问题，登出并返回到登录页
   * 如通过xmlhttprequest 状态码标识 逻辑可写在下面error中
   */

  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 20000) {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      //  50008:非法的token; 50012:其他客户端登录了;  50014:Token 过期了;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm(
          '您已经被登出，可以取消继续留在该页面，或重新登录',
          '确定登出',
          {
            confirmButtonText: '重新登录',
            cancelButtonText: this.$t('取消'),
            type: 'warning'
          }
        ).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload() // 为了重新实例化vue-router对象 避免bug
          })
        })
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
